#ifndef TREEMODEL_H
#define TREEMODEL_H

#include <QAbstractItemModel>
#include <QModelIndex>
#include <QVariant>

class TreeItem;

class TreeModel : public QAbstractItemModel
{
    Q_OBJECT

public:
    TreeModel(const QStringList &headers, QObject *parent = nullptr);
    ~TreeModel() override;

    QVariant data(const QModelIndex &index, int role) const override;
    QVariant headerData(int section, Qt::Orientation orientation,
                        int role = Qt::DisplayRole) const override;

    QModelIndex index(int row, int column,
                      const QModelIndex &parent = QModelIndex()) const override;
    QModelIndex parent(const QModelIndex &index) const override;

    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
    int columnCount(const QModelIndex &parent = QModelIndex()) const override;

    //可以编辑模型begin
    Qt::ItemFlags flags(const QModelIndex &index) const override;
    Q_INVOKABLE  bool setData(const QModelIndex &index, const QVariant &value,
                   int role = Qt::EditRole) override;
    Q_INVOKABLE  bool setHeaderData(int section, Qt::Orientation orientation,
                         const QVariant &value, int role = Qt::EditRole) override;

    Q_INVOKABLE bool insertColumns(int position, int columns,
                         const QModelIndex &parent = QModelIndex()) override;
    Q_INVOKABLE  bool removeColumns(int position, int columns,
                         const QModelIndex &parent = QModelIndex()) override;
    Q_INVOKABLE  bool insertRows(int position, int rows,
                      const QModelIndex &parent = QModelIndex()) override;
    Q_INVOKABLE   bool removeRows(int position, int rows,
                    const QModelIndex &parent = QModelIndex()) override;
    //可以编辑模型end

private:
    TreeItem *getItem(const QModelIndex &index) const;

    TreeItem *rootItem;
};
#endif // TREEMODEL_H
